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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag has occurred near Chiniak in Alaska

Earthquake location 56.6984S, -149.1014WA minor earthquake with magnitude 3.7 (ml/mb) was detected on Monday, 217 km ESE of Chiniak, Alaska (135 miles). Exact location of event, depth 11.3 km, -149.1014° West, 56.6984° North. Event ids that are associated to the earthquake: us7000bqqb, ak020c6fjmqk. Id of event: ak020c6fjmqk. The temblor was picked up at 10:30:02 / 10:30 am (local time epicenter). Global date and time of event UTC/GMT: 21/09/20 / 2020-09-21 10:30:02 / September 21, 2020 @ 10:30 am. The earthquake occurred at a depth of 11.3 km (7 miles).

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days nine and in the last 365 days two hundred and fifty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 217 km ESE of Chiniak, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -149.1014° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6984° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.3 km Depth of the event in kilometers.
Place 217 km ESE of Chiniak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-21 10:30:02 Time when the event occurred. UTC/GMT
Updated 2020-09-21 12:12:46 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 211 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,ak, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak020c6fjmqk Id of event.
Event Code 020c6fjmqk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bqqb,ak020c6fjmqk, A comma-separated list of event ids that are associated to an event.

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